Finding the Fourth Proportional to 312,444.18, 468,592.20 and 134,854.20
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Solution
The fourth proportional to 312,444.18, 468,592.20 and 134,854.20 is: 202,249.33
Step by Step Solution
- Step 1: Write the proportion equation
312,444.18 : 468,592.20 = 134,854.20 : x - Step 2: Convert to fraction form
312,444.18/468,592.20 = 134,854.20/x - Step 3: Cross multiply
312,444.18x = 468,592.20 × 134,854.20 - Step 4: Simplify right side
312,444.18x = 63,191,626,257.24 - Step 5: Solve for x
x = 63,191,626,257.24/312,444.18 - Step 6: Final answer
x = 202,249.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.